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MDL-61307 core_tag: Unit tests for privacy implementation

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Zig Tan 2018-02-28 15:47:56 +08:00 committed by Andrew Nicols
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Privacy tests for core_tag.
*
* @package core_comment
* @category test
* @copyright 2018 Zig Tan <zig@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/tag/lib.php');
use \core_privacy\tests\provider_testcase;
use \core_privacy\local\request\writer;
use \core_tag\privacy\provider;
/**
* Unit tests for tag/classes/privacy/policy
*
* @copyright 2018 Zig Tan <zig@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_tag_privacy_testcase extends provider_testcase {
/**
* Check the exporting of tags for a user id in a context.
*/
public function test_export_tags() {
global $DB;
$this->resetAfterTest(true);
// Create a user to perform tagging.
$user = $this->getDataGenerator()->create_user();
$this->setUser($user);
// Create a course to tag.
$course = $this->getDataGenerator()->create_course();
$context = context_course::instance($course->id);
$subcontext = [];
// Create three dummy tags and tag instances.
$dummytags = [ 'Tag 1', 'Tag 2', 'Tag 3' ];
core_tag_tag::set_item_tags('core_course', 'course', $course->id, context_course::instance($course->id),
$dummytags, $user->id);
// Get the tag instances that should have been created.
$taginstances = $DB->get_records('tag_instance', array('itemtype' => 'course', 'itemid' => $course->id));
$this->assertCount(count($dummytags), $taginstances);
// Check tag instances match the component and context.
foreach ($taginstances as $taginstance) {
$this->assertEquals('core_course', $taginstance->component);
$this->assertEquals(context_course::instance($course->id)->id, $taginstance->contextid);
}
// Retrieve tags only for this user.
provider::export_item_tags($user->id, $context, $subcontext, 'core_course', 'course', $course->id, true);
$writer = writer::with_context($context);
$this->assertTrue($writer->has_any_data());
$exportedtags = $writer->get_related_data($subcontext, 'tags');
$this->assertCount(count($dummytags), $exportedtags);
// Check the exported tag's rawname is found in the initial dummy tags.
foreach ($exportedtags as $exportedtag) {
$this->assertContains($exportedtag->rawname, $dummytags);
}
}
}